Estimated Delivery: 2–5 Working Days
Enter postcode in checkout for delivery cost
View transport policyThe Top Entry Plenum Box is an essential component for efficient air distribution in HVAC systems. It is designed to enhance airflow management and minimise turbulence. Constructed with robust galvanised steel, this plenum box ensures durability and longevity, making it a reliable choice for residential and commercial applications.
Galvanised Steel
Available in various sizes to fit different duct requirements.
Custom sizes can be ordered to meet specific installation needs.
Ideal for use in HVAC systems in residential, commercial, and industrial settings.
Suitable for ceiling or wall-mounted air distribution setups.
Commonly used in spaces requiring consistent airflow and minimal air resistance.
Durable Construction: Made from high-quality galvanized steel for corrosion resistance and strength.
Efficient Airflow: Designed for top-entry airflow, minimizing air resistance and promoting even distribution.
Versatile Design: Compatible with multiple duct sizes and configurations.
Easy Installation: Includes pre-punched holes for quick and hassle-free mounting.
Low Maintenance: Requires minimal upkeep due to its durable construction and design.
Material: Galvanised steel
Entry Type: Top entry
Size Range: Multiple size options available (custom sizes upon request)
Mounting: Ceiling or wall mountable
At Direct Duct Supplies, we are committed to delivering your orders quickly, safely, and efficiently. Below you will find our shipping procedures and policies. If you have any specific delivery deadlines or special requirements, please contact our team and we will do our best to assist.
We work hard to get our customers what they need when they need it. Below you will find information on our delivery service. If you have a particular need or deadline, please contact us and we’ll do our best to accommodate you.
Delivery Charges
Delivery charges vary depending on the size, weight, and value of your order. Shipping costs are calculated at checkout and clearly displayed on the My Basket page before you complete your purchase.
We offer a range of delivery options, including free delivery on selected orders, with standard delivery charges typically ranging between £20 and £40 depending on the service selected.
Delivery Time (UK)
We offer fast and reliable UK delivery, with most orders arriving within 2–5 working days from the date of purchase.
Smaller items typically arrive within 2–4 working days, while larger or heavier items may take 3–5 working days. Delivery times may vary slightly during busy periods or holidays.
Easy & Convenient Delivery
We use a combination of in-house logistics and trusted UK courier partners including Royal Mail, DPD and DX. This allows us to provide reliable delivery coverage across the UK. Once your order has been dispatched, you will receive an email confirmation with tracking details. You can also track your delivery via the My Account section.
Next Day Delivery
We offer next working day delivery on selected items and order types. Availability and pricing depend on the size, weight, and order value. Please contact us prior to ordering to confirm eligibility and we will do our best to arrange this.
International, Scottish Highlands, Islands & Northern Ireland
We are able to ship orders internationally, as well as to the Scottish Highlands and offshore locations. Please contact us for a delivery quote before placing your order.
Please note that some items may not be eligible for international shipping due to size or weight restrictions.
